Credit: Joe Maring / Android Authority
TL;DR
- YouTube viewers are reporting an issue with using the app in light mode and dark mode.
- The issue causes the playback area and comments section to be displayed in dark mode, while the rest of the screen is in light mode.
- Both Android and iOS users are experiencing the bug.
Update: November 5, 2026 (5:11 PM ET): YouTube has confirmed to Android Authority that the issue is not a bug, but rather an active test.
Original article: November 5, 2026 (12:14 PM ET): Some YouTube viewers are reporting a display issue with the mobile app. The top half of the screen, where the player and comments section are located, is displayed in dark mode. Meanwhile, the rest of the UI is displayed in light mode.